Báo cáo khoa học: "A Seed-driven Bottom-up Machine Learning Framework for Extracting Relations of Various Complexity" pdf
Báo cáo khoa học: "A Seed-driven Bottom-up Machine Learning Framework for Extracting Relations of Various Complexity" pdf
... 2007.c2007 Association for Computational Linguistics A Seed-driven Bottom-up Machine Learning Framework for Extracting Relations of Various Complexity Feiyu Xu, Hans Uszkoreit and Hong Li Language ... Abstract A minimally supervised machine learning framework is described for extracting rela-tions of various complexity. Bootstrapping starts from a small set of n-ary relation in-stances as ... Person_Out. The ambitious goal of our approach is to provide a general framework for the extraction of relations and events with various complexity. Within this framework, the IE system learns...
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Tài liệu Báo cáo khoa học: "A module that computes coordinative ellipsis for language generators that don’t" pdf
... “7” is attached tothe root and head nodes of both exemplars of NPHans in Fig. 1, indicating their coreferentiality. For the sake of computational uniformity, wealso attach reference tags to ... Testing for forward ellipsis: Gapping (includ-ing LDG), FCR, or SGF. This involves inspect-ing (recursively for every S-node) the set of im-mediate constituents (grammatical functions) of the ... as input to the(syn)tactical component of the generator, wherethey are grammatically encoded (lexicalized andgiven syntactic form) without any form of coor-dinative ellipsis. The resulting...
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Báo cáo khoa học: "A Hierarchical Pitman-Yor Process HMM for Unsupervised Part of Speech Induction" doc
... Association for Computational LinguisticsA Hierarchical Pitman-Yor Process HMM for Unsupervised Part of Speech InductionPhil BlunsomDepartment of Computer ScienceUniversity of OxfordPhil.Blunsom@cs.ox.ac.ukTrevor ... induction which uniformlyoutperforms the existing state -of- the-art across allour corpora in 10 different languages. Moreover, theperformance of our unsupervised model approachesthat of many existing ... its base distribition auniform distribution over the set of tags, while thepriors for Bjand Tijback off by discarding an item of context. This allows the modelling of trigramtag sequences,...
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Báo cáo khoa học: A Kazal prolyl endopeptidase inhibitor isolated from the skin of Phyllomedusa sauvagii pdf
... with 45 lLofinhibitor solution (0–50 lMin water) for 5 min at 30 °C.Then, 5 lL of substrate, in dimethylformamide, was addedto a final concentration of 2.5 mM, and formation of theproduct ... pET-PSKP-1K.Inhibition of a-caseinolysisInhibition of a-caseinolysis [24] was performed as follows.Bovine trypsin (% 80 pmol) was preincubated for 20 min at37 °C with a 10- or 100-fold molar excess of the ... velocity for each inhibitor concen-tration, v0was calculated for each concentration of theinhibitor by nonlinear fit of the data from the abovenegative controls; [I] is the concentration of the...
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Báo cáo khoa học: " A Practical Korean Question Answering Framework for Restricted Domain" pptx
... framework tries toemploy various techniques for reducing the humaneffort, such as simplifying rules based on linguis-tic information and machine learning approaches.Our effort for the robustness ... because of the generalized linguisticinformation without decreasing the performance of the question analyzer.One of possible defects of using such linguis-tic information is the loss of the ... Instead of using a technique for deep understanding of the question, the ques-tion analysis component of K-QARD tries to ex-tract only essential information for answering us-ing the information...
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Tài liệu Báo cáo khoa học: "At-Least-N Voting Improves Recall for Extracting Relations" pdf
... trusted. Of course, the rise in recall is at theexpense of a loss of precision. Overall, At-Least-N for intermediate ranges of N (N=5 for English andChinese and N=2 for Arabic) performs best ... looking for (relations, coreference,named entities, etc.) even in the absense of a clearmajority.This paper is organized as follows. In section 2,we give an overview of the various schemes for ... investigated different approaches for rerank-ing the outputs of a committee of classifiers and alsoexplored union and intersection methods for reduc-ing the set of predicted categories. Florian...
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Tài liệu Báo cáo khoa học: "A Discriminative Syntactic Word Order Model for Machine Translation" pdf
... model for machine translation which makes use of both syntactic andsurface information.The framework for our statistical model is as fol-lows. We assume the existence of a dependency tree for ... algorithm of (Quirk et al., 2005) definesheuristics for each of these problems. In case of one-to-many alignments, for example, the case of “constraints” aligning to the Japanese words for “re-striction” ... in amodel which significantly outperforms models usingonly some of the information sources.We also evaluate the contribution of our modelto the performance of an MT system. We inte-grate our...
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Báo cáo khoa học: "A Pattern-based Machine Translation System Extended by Example-based Processing" ppt
... techniques for the former, and introduction of example-based processing for the latter. 1 Introduction While the World-Wide Web (WWW) has quickly turned the Internet into a treasury of information ... will describe several methods for accelerating the system perfor- mance for the former, and describe the extension by using the example-based processing [4, 8] for the latter. 2 Pattern-based ... drawback of our pattern-based formalism is to have to use many rules in the parsing process. One of reasons to use such many rules is that the matching of rules and the input is performed by...
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Báo cáo khoa học: "A Clustered Global Phrase Reordering Model for Statistical Machine Translation" docx
... ( ,means of) , ( , means of) , (, of) , ( , of) , (, of communication), ( , of communication),and ( , of communication).Figure 4 shows an example of the best threephrase alignments for a Japanese-English ... by LDC3. For the phrase classi-fication based on the parts of speech of the headword, we used the first two layers of the Chasen’spart of speech tag for Japanese. For English part of speech ... (Och et al., 1999) for this purpose.It forms partitions of the vocabulary of the twolanguages to maximize the joint probability of thetraining bilingual corpus.In order to perform bilingual phrase...
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Tài liệu Báo cáo khoa học: "A FrameNet-based Semantic Role Labeler for Swedish" pdf
... Comparison of FE Bracketing MethodsWe compared the performance of the two methods for FE bracketing on the test set. Because of lim-ited time, we used smaller training sets than for thefull ... thought of as predi-cate/argument structures, including descriptions of events, states, properties, and objects.FrameNet consists of the following main parts:• An ontology consisting of a set of ... WorkSince training data is often a scarce resource for most languages other than English, a wide range of methods have been proposed to reduce the need for manual annotation. Many of these have reliedon...
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Từ khóa: Nghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngBáo cáo quy trình mua hàng CT CP Công Nghệ NPVNghiên cứu sự hình thành lớp bảo vệ và khả năng chống ăn mòn của thép bền thời tiết trong điều kiện khí hậu nhiệt đới việt namMột số giải pháp nâng cao chất lượng streaming thích ứng video trên nền giao thức HTTPBiện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitNGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDEPhát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ longNghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chếThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíTổ chức và hoạt động của Phòng Tư pháp từ thực tiễn tỉnh Phú Thọ (Luận văn thạc sĩ)Kiểm sát việc giải quyết tố giác, tin báo về tội phạm và kiến nghị khởi tố theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn tỉnh Bình Định (Luận văn thạc sĩ)BT Tieng anh 6 UNIT 2Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtNguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtTÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲ